Decision Workspace
assert-env vs tomldir vs nvy
Side-by-side comparison of Rust crates
50
assert-env
experimentalv0.1.4
A simple runtime assertion utility for environment variables.
53
tomldir
experimentalv0.1.7
Lean TOML loader with runtime dot-path access and flattening into maps, optimized for tools and dynamic configs
50
nvy
stablev1.1.7
A simple command line tool for managing multiple env files (profiles) in a project.
Core Metrics
| assert-env | tomldir | nvy | |
|---|---|---|---|
| Health Score | 50 | 53 | 50 |
| Total Downloads | 82 | 98 | 6.6K |
| 30d Downloads | 14 | 9 | 12 |
| Dependents | 0 | 0 | 0 |
| Releases | 5 | 7 | 9 |
| Last Updated | 31d ago | 50d ago | 414d ago |
| Age | 1m | 1m | 1y 1m |
Health Breakdown
assert-env
Maintenance
17
Quality
15
Community
6
Popularity
2
Documentation
10
tomldir
Maintenance
16
Quality
14
Community
6
Popularity
2
Documentation
15
nvy
Maintenance
12
Quality
17
Community
6
Popularity
5
Documentation
10
Technical Details
| assert-env | tomldir | nvy | |
|---|---|---|---|
| Version | 0.1.4 | 0.1.7 | 1.1.7 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | BSD-3-Clause | MIT | GPL-3.0-or-later |
| Dependencies | 0 | 4 | 9 |
| Crate Size | 6KB | 10KB | 29KB |
| Features | 0 | 1 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | 1.92 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •tomldir leads with a health score of 53/100, but none of the options score above 80.
- •nvy has the most downloads (6.6K), suggesting wider adoption.
- •⚠ nvy has not been updated in over a year.
- •assert-env, tomldir are pre-1.0 — API may change.